This Worcester Bosch pitched roof flashing kit is designed for vertical flue installations through pitched roofs. It effectively seals any gaps or cracks to prevent water penetration, ensuring the roof remains watertight. The kit is compatible with all Greenstar oil-fired condensing boilers and is quick and easy to install. Its angled design helps stop unwanted water from entering the system, and it features an aesthetically pleasing design coloured to match existing rainwater systems. This flashing kit is essential for a proper vertical flue installation, protecting your property from water damage.